Journal ArticleAnn Surg · November 1, 2024
OBJECTIVE: To determine the interobserver variability for complications of pancreatoduodenectomy as defined by the International Study Group for Pancreatic Surgery (ISGPS) and others. BACKGROUND: Good interobserver variability for the definitions of surgic ...
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Journal ArticleAnn Surg Oncol · November 2024
INTRODUCTION: Desmoid tumors (DTs) are rare, fibroblastic cell proliferations that can exhibit locally aggressive behavior but lack metastatic potential. Initial management has traditionally involved upfront resection; however, contemporary guidelines and ...
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Journal ArticleNPJ Precis Oncol · May 31, 2024
Acquired resistance remains a major challenge for therapies targeting oncogene activated pathways. KRAS is the most frequently mutated oncogene in human cancers, yet strategies targeting its downstream signaling kinases have failed to produce durable treat ...
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Journal ArticleJ Hepatobiliary Pancreat Sci · May 2024
BACKGROUND: This meta-analysis investigated the effects of enhanced recovery after surgery (ERAS) protocols compared to conventional care on postoperative outcomes in patients aged 70 years or older undergoing pancreatoduodenectomy (PD). METHODS: Five data ...
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Journal ArticleJ Gastrointest Surg · May 2024
BACKGROUND: Liver transplantation (LT) has been shown to be superior to resection in highly selected patients with perihilar cholangiocarcinoma (CCA), yet has traditionally been contraindicated for intrahepatic CCA (iCCA). Herein, we aimed to examine conte ...
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Journal ArticleHPB (Oxford) · April 2024
BACKGROUND: Radical cholecystectomy is recommended for T1B and greater gallbladder cancer, however, there are conflicting reports on the utility of extended resection for T1B disease. Herein, we characterize outcomes following simple and radical cholecyste ...
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Journal ArticleAnn Surg Oncol · March 2024
ABSTRACT: BACKGROUND: Pancreatic adenocarcinoma (PDAC) is highly lethal with up to 80% of resected patients experiencing disease recurrence within 2 years (Watanabe, Nakamura, Kimura et al in Int J Mol Sci 23(19):11521, 2022). Cross-sectional imaging and ...
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ConferenceCancer Research · January 16, 2024
AbstractEven in its earliest stages, pancreatic ductal adenocarcinoma (PDAC) is an essentially incurable disease due to the presence of disseminated, yet radiographically occult cancer cells in the setting o ...
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Journal ArticleJ Surg Oncol · December 2023
OBJECTIVES: We performed a retrospective analysis within a national cancer registry on outcomes following resection or ablation for intrahepatic cholangiocarcinoma (iCCA). METHODS: The National Cancer Database was queried for patients with clinical stage I ...
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Journal ArticleAnn Surg Oncol · October 2023
BACKGROUND: Hepatectomy is the cornerstone of curative-intent treatment for intrahepatic cholangiocarcinoma (ICC). However, in patients unable to be resected, data comparing efficacy of alternatives including thermal ablation and radiation therapy (RT) rem ...
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Journal ArticleJ Gastrointest Surg · October 2023
BACKGROUND: Society guidelines remain inconsistent on the role of endoscopic and radiographic surveillance as an alternative to surgical resection of small gastric gastrointestinal stromal tumors (GISTs). Herein, we aimed to assess survival among patients ...
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Journal ArticleWorld journal of surgery · August 2023
BackgroundMultimodal therapy has improved survival outcomes for rectal cancer (RC) significantly with an exemption for older patients. We sought to assess whether older non-comorbid patients receive substandard oncological treatment for localized ...
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Journal ArticleAmerican journal of surgery · August 2023
BackgroundDisparities in healthcare exist, yet few data are available on racial differences in time from admission to surgery. This study aimed to compare time from admission to laparoscopic cholecystectomy for acute cholecystitis between non-Hisp ...
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Journal ArticleAnn Surg Oncol · August 2023
BACKGROUND: Resection remains the cornerstone of curative-intent treatment for biliary tract cancers (BTCs). However, recent randomized data also support a role for adjuvant chemotherapy (AC). This study aimed to characterize trends in the use of AC and su ...
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Journal ArticleSurgery · August 2023
Patients with unresectable colorectal liver metastases are commonly treated with systemic chemotherapy to convert their disease to an operable state. Unfortunately, many patients remain unresectable after first-line chemotherapy and resort to second- and t ...
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ConferenceBritish Journal of Surgery · June 9, 2023
AbstractBackgroundMultimodal therapy for localized rectal cancer (RC), including (neo-)adjuvant systemic therapy and surgery, has impr ...
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Journal ArticleSci Adv · March 15, 2023
The histopathologic heterogeneity of intraductal papillary mucinous neoplasms (IPMN) complicates the prediction of pancreatic ductal adenocarcinoma (PDAC) risk. Intratumoral regions of pancreaticobiliary (PB), intestinal (INT), and gastric foveolar (GF) ep ...
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Journal ArticleAnn Thorac Surg · February 2023
BACKGROUND: Management of clinical stage II or III esophageal cancer requires multidisciplinary care. Multi-institutional care has been associated with worse survival in other malignant diseases. This study aimed to determine the impact of multi-institutio ...
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ConferenceAnn Surg Oncol · November 2022
BACKGROUND: Intraductal papillary mucinous neoplasms (IPMN) are the only radiographically identifiable precursor to pancreatic adenocarcinoma, yet little is known about how these lesions progress to cancer. Inflammation has been associated with dysplastic ...
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Journal ArticleAnn Surg Oncol · September 2022
BACKGROUND: Optimal management of stage II/III gastric cancer requires multidisciplinary care, often necessitating treatment at more than one facility. We aimed to determine patterns of "fragmented" care and its impact on outcomes, including concordance wi ...
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Journal ArticleBr J Surg · February 24, 2022
BACKGROUND: This individual-patient data meta-analysis investigated the effects of enhanced recovery after surgery (ERAS) protocols compared with conventional care on postoperative outcomes in patients undergoing pancreatoduodenectomy. METHODS: The Cochran ...
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Journal ArticleCancer Med · June 2021
BACKGROUND: Quality measurement has become a priority for national healthcare reform, and valid measures are necessary to discriminate hospital performance and support value-based healthcare delivery. The Commission on Cancer (CoC) is the largest cancer-sp ...
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Journal ArticleSurgical oncology clinics of North America · January 2021
Approximately 50% of colorectal cancer patients develop liver metastases. Hepatic metastases represent the most common cause of colorectal cancer-related mortality. Metastasectomy, if possible, represents the most effective treatment strategy; 20% of patie ...
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Journal ArticleAnticancer Res · April 2020
BACKGROUND/AIM: Recently, the concept of textbook outcome (TO) has emerged as a novel effort to develop a benchmark that reflects multiple domains of quality. The aims of the current study were to define TO for retroperitoneal sarcoma (RPS), evaluate the r ...
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ConferenceJ Surg Oncol · March 2020
BACKGROUND: Chemotherapy improves outcomes in patients with resectable gastric cancer. Minimally invasive gastrectomy (MIS) rates are increasing, though the impact of MIS on postoperative chemotherapy remains uncertain. This study examines the impact of MI ...
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Journal ArticleLangenbecks Arch Surg · February 2020
PURPOSE: While the importance of lymphadenectomy is well-established for patients with resectable pancreatic cancer, its direct impact on survival in relation to other predictive factors is still ill-defined. METHODS: The National Cancer Data Base 2006-201 ...
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Journal ArticleDig Surg · 2020
INTRODUCTION: Both neo-adjuvant chemoradiation therapy (NACRT) and neo-adjuvant chemotherapy (NAC), in addition to surgical resection of gastric cardia cancer, improves survival outcomes. We assessed whether NACRT or NAC had superior overall survival (OS) ...
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ConferenceJ Gastrointest Surg · August 2019
BACKGROUND: Controversy exists over the use of adjuvant chemotherapy for locally advanced (stages II-III) rectal cancer (LARC) patients who demonstrate pathologic complete response (pCR) following neoadjuvant chemoradiation. We conducted a retrospective an ...
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Journal ArticleHPB (Oxford) · June 2019
BACKGROUND: Pancreatic acinar cell carcinoma (pACC) is a rare malignancy and surgical utilization has been historically low in these patients. Contemporary outcomes for this patient population remain unknown. METHODS: The 1998-2012 National Cancer Data Bas ...
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Journal ArticleClin Orthop Relat Res · April 2019
BACKGROUND: For many cancer types, survival is improved when patients receive management at treatment centers that encounter high numbers of patients annually. This correlation may be more important with less common malignancies such as sarcoma. Existing e ...
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Journal ArticleAnticancer Res · April 2019
BACKGROUND: Retroperitoneal sarcomas (RPS) are rare, histologically heterogeneous, and anatomically complex tumors. National Comprehensive Cancer Network guidelines recommend evaluation and management by multidisciplinary teams with experience in sarcoma. ...
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Journal ArticleSurg Oncol · December 2018
INTRODUCTION: Primary sarcomas of the pancreas are rare, and the limited data regarding their presentation, oncologic profile, and survival have been derived from small case series. METHODS: The National Cancer Data Base (1998-2012) was queried for patient ...
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Journal ArticleHPB (Oxford) · November 2018
BACKGROUND: Current consensus guidelines suggest that gallbladder cancer (GBC) patients with resected T1a disease can be observed while patients with T1b or greater lesions should undergo lymphadenectomy (LNE). The primary aim of this study was to critical ...
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Journal ArticleHPB (Oxford) · June 2018
BACKGROUND: Gallbladder cancer (GBC) is the most common biliary tract malignancy. Because it commonly metastasizes via lymphatics, portal lymphadenectomy should be included in oncologic resections. This study aimed to compare the oncologic equivalence of t ...
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Journal ArticleJ Surg Oncol · June 2018
BACKGROUND: Although surgery remains the cornerstone of gastric cancer therapy, the use of radiation therapy (RT) is increasingly being employed to optimize outcomes. We sought to assess outcomes following use of RT for the treatment of gastric adenocarcin ...
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Journal ArticleBMC Cancer · April 27, 2018
BACKGROUND: In the United States, race and socioeconomic status are well known predictors of adverse outcomes in several different cancers. Existing evidence suggests that race and socioeconomic status may impact survival in soft tissue sarcoma (STS). We i ...
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Journal ArticleGastric Cancer · March 2018
BACKGROUND: The prognosis of metastatic gastric cancer (GC) remains dismal, with a median survival of 10 months. Historically, primary tumor resection was not thought to confer any survival benefit. Although high-level data exist guiding treatment of metas ...
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Journal ArticleAnn Thorac Surg · October 2017
BACKGROUND: Although the use of adjuvant chemotherapy in patients with pathologically node-positive (pN+) atypical carcinoid tumor of the lung is an accepted practice, controversy exists about its use in pathologically node-negative (pN0) patients. Our aim ...
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Journal ArticleSurgical oncology · September 2017
BackgroundMinimally invasive (MI) gastrectomy has become increasingly common as a resection technique for gastric cancer; however, data are limited regarding peri-operative morbidity, oncologic outcomes and long-term survival, particularly in the ...
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ConferenceJ Surg Oncol · August 2017
BACKGROUND: Neoadjuvant therapy has theoretical benefits for pancreatic cancer; however, its association with perioperative outcomes remains controversial. This study sought to evaluate variation in use of neoadjuvant therapy and outcomes following pancrea ...
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ConferenceAnn Surg · August 2017
OBJECTIVE: This study compares outcomes following pancreaticoduodenectomy (PD) for patients treated at local, low-volume centers and those traveling to high-volume centers. BACKGROUND: Although outcomes for PD are superior at high-volume institutions, not ...
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Journal ArticleCell Rep · July 25, 2017
Combinatorial inhibition of effector and feedback pathways is a promising treatment strategy for KRAS mutant cancers. However, the particular pathways that should be targeted to optimize therapeutic responses are unclear. Using CRISPR/Cas9, we systematical ...
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Journal ArticleHPB (Oxford) · June 2017
BACKGROUND: Outcomes following the inability to control the cystic duct due to a hostile triangle of Calot during cholecystectomy remain unknown. The purpose of this study was to analyze the safety and efficacy of subtotal cholecystectomy, with attention t ...
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Journal ArticleSci Transl Med · December 14, 2016
Therapies that efficiently induce apoptosis are likely to be required for durable clinical responses in patients with solid tumors. Using a pharmacological screening approach, we discovered that combined inhibition of B cell lymphoma-extra large (BCL-XL) a ...
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Journal ArticleLancet Oncol · July 2016
BACKGROUND: Recruitment into clinical trials for retroperitoneal sarcoma has been challenging, resulting in termination of the only randomised multicentre trial in the USA investigating perioperative radiotherapy. Nonetheless, use of radiotherapy for retro ...
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Journal ArticleAnn Surg · June 2016
OBJECTIVE: To examine survival of patients who underwent minimally invasive versus open low anterior resection (LAR) for rectal cancer. BACKGROUND: Utilization of laparoscopic and robotic LAR for rectal cancer has steadily increased. Short-term outcomes be ...
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Journal ArticleDis Colon Rectum · April 2016
BACKGROUND: Controversy exists over whether resection of the primary tumor in stage IV colorectal cancer with inoperable metastases improves patient outcomes. OBJECTIVE: The purpose of this study was to evaluate whether resection of the primary tumor witho ...
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ConferenceAnn Surg Oncol · March 2016
BACKGROUND: The modifiable variable best proven to improve survival after resection of pancreatic adenocarcinoma is the addition of adjuvant chemotherapy. A theoretical advantage of minimally invasive pancreaticoduodenectomy (MI-PD) is the potential for gr ...
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Journal ArticleDis Colon Rectum · February 2016
BACKGROUND: Several reports suggest that the efficacy of adjuvant chemotherapy on survival diminishes over time for colon cancer; however, precise timing of its loss of benefit has not been established. OBJECTIVE: This study aimed to determine the relation ...
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Journal ArticleJ Surg Res · January 2016
BACKGROUND: Feeding tube placement is common among patients undergoing gastrectomy, and national guidelines currently recommend consideration of a feeding jejunostomy tube (FJT) for all patients undergoing resection for gastric cancer. However, data are li ...
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Journal ArticleAnn Surg · December 2015
OBJECTIVE: This study examines short-term outcomes and pathologic surrogates of oncologic results among patients undergoing robotic versus laparoscopic low anterior resection for rectal cancer. A total of 6403 patients met inclusion criteria. Although the ...
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Journal ArticleSurg Laparosc Endosc Percutan Tech · December 2015
Gastric cancer is the second most common malignancy worldwide, and surgical resection is the only curative treatment. Traditionally, open total gastrectomy has been the procedure of choice for large and proximal carcinomas. Over the past decade, however, l ...
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Journal ArticleJ Surg Res · October 2015
BACKGROUND: Controversy exists over optimal timing of tracheostomy in patients with respiratory failure after blunt trauma. The study aimed to determine whether the timing of tracheostomy affects mortality in this population. METHODS: The 2008-2011 Nationa ...
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Journal ArticleAnn Surg Oncol · September 2015
BACKGROUND: It is a consensus that radiation therapy (RT) should be applied for all large, deep, high-grade soft tissue sarcomas (STS). Therefore, we investigated the National Cancer Database (NCDB) to study how these guidelines are being followed, to dete ...
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Journal ArticleJ Surg Oncol · September 2015
BACKGROUND: Radiation therapy (RT) is increasingly utilized in conjunction with surgery for the treatment of retroperitoneal soft tissue sarcomas (RPS). Despite multiple theoretical advantages of RT, its role in the surgical management of this disease rema ...
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Journal ArticleJ Trauma Acute Care Surg · September 2015
BACKGROUND: There are little data currently available to guide surgical decision making regarding emergent surgical interventions in leukopenic patients. The purpose of this study was to investigate the impact of leukopenia among patients undergoing emerge ...
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Journal ArticleJ Am Coll Surg · August 2015
BACKGROUND: The purpose of this study was to examine the impact of the sequential implementation of the enhanced recovery program (ERP) and surgical site infection bundle (SSIB) on short-term outcomes in colorectal surgery (CRS) to determine if the presenc ...
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ConferenceCancer Research · August 1, 2015
AbstractDespite significant advances in the development of cancer treatment in the last 20 years the best available therapies have marginally improved the survival rate of treated pancreatic cancer patients ...
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Journal ArticleAnn Surg · July 2015
OBJECTIVE: To evaluate long-term survival among patients undergoing radiation therapy (RT), followed by surgical resection of retroperitoneal sarcomas (RPS). BACKGROUND: Despite a lack of level 1 evidence supporting neoadjuvant RT for RPS, its use has incr ...
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Journal ArticleJ Surg Oncol · July 2015
BACKGROUND: Neoadjuvant radiation therapy (RT) as a component of the multimodality treatment of gastric cancer has demonstrated promising results. Data regarding its effect on perioperative safety are limited. METHODS: Adults undergoing gastrectomy for gas ...
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Journal ArticleJ Am Coll Surg · May 2015
BACKGROUND: The management of 1- to 2-cm appendiceal carcinoid tumors remains controversial. Here we use the National Cancer Data Base (NCDB) to compare long-term outcomes for patients treated via resection of the primary tumor alone vs right hemicolectomy ...
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Journal ArticleAnn Thorac Surg · February 2015
BACKGROUND: Treatment guidelines for typical bronchopulmonary carcinoid tumors recommend observation alone after resection of stage I-IIIA disease, but there are limited data related to the use of adjuvant chemotherapy in the setting of nodal metastases fo ...
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Journal ArticleJ Surg Res · January 2015
BACKGROUND: In this retrospective review, we evaluate a standardized care plan (SCP) for patients undergoing pancreaticoduodenectomy, which included selective placement of feeding jejunostomy tubes (FJTs) and a perioperative fast-track recovery pathway (FT ...
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Journal ArticleJ Gastrointest Surg · January 2015
BACKGROUND: While the use of laparoscopy has increased among patients undergoing colorectal surgery, there is ongoing debate regarding the oncologic equivalence of laparoscopy compared to open low anterior resection (LAR) for rectal cancer. METHODS: The 20 ...
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Journal ArticleSarcoma · 2015
Objective. This study investigated patterns of utilization of radiation therapy (RT) and correlated this with overall survival by assessing patients with well-differentiated soft tissue sarcoma of the extremity (STS-E) in the National Cancer Database (NCDB ...
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Chapter · January 1, 2015
Complex mechanisms are in place to protect research subjects and to ensure that participants are informed of the risks, benefits, and alternatives available to them prior to enrolling in a research study. However, the process for obtaining informed consent ...
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Journal ArticleHPB (Oxford) · December 2014
INTRODUCTION: The drive to improve outcomes and the inevitability of mandated public reporting necessitate uniform documentation and accurate databases. The reporting of wound classification in patients undergoing hepato-pancreatico-biliary (HPB) surgery a ...
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ConferenceAnn Surg Oncol · November 2014
BACKGROUND: The purpose of this study was to define the learning curves for laparoscopic pancreaticoduodenectomy (LPD) with and without laparoscopic reconstruction, using paired surgical teams consisting of advanced laparoscopic-trained surgeons and advanc ...
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Journal ArticleJ Gastrointest Surg · October 2014
BACKGROUND: Concomitant placement of feeding jejunostomy tubes (FJT) during pancreaticoduodenectomy is common, yet there are limited data regarding catheter-specific morbidity and associated outcomes. This information is crucial to appropriately select pat ...
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Journal ArticleSurg Oncol · September 2014
BACKGROUND: Neoadjuvant radiation therapy (RT) has several theoretical benefits in the treatment of retroperitoneal sarcoma (RPS), but concerns remain about treatment toxicity and perioperative morbidity. There are limited data regarding its effect on peri ...
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Journal ArticleJ Surg Res · July 2014
BACKGROUND: Few studies have examined the current status of ureteral stent use or the indications for stenting, particularly in laparoscopic colorectal surgery. This study examines current national trends and predictors of ureteral stenting in patients und ...
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Journal ArticleJ Surg Res · July 2014
BACKGROUND: Previous studies have indicated that clinical pathways may shorten hospital length of stay (HLOS) among patients undergoing distal pancreatectomy (DP). Here, we evaluate an institutional standardized care pathway (SCP) for patients undergoing D ...
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Journal ArticleArch Pathol Lab Med · March 2014
Small bowel duplications are congenital structures commonly lined by heterotopic gastric or pancreatic mucosa. Though benign in children, small bowel duplications have the potential for malignant degeneration in adulthood. Here, we present the first report ...
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Journal ArticleAnn Thorac Surg · July 2010
BACKGROUND: There is limited information on longer-term outcomes of pulmonary homograft monocusp (PHM) reconstruction of the right ventricular outflow tract (RVOT). METHODS: A retrospective review of 131 consecutive patients undergoing RVOT reconstruction ...
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Journal ArticleAnn Thorac Surg · August 2009
BACKGROUND: The prudence of performing early palliative cavopulmonary connection that includes superior vena cava in association with azygous-hemiazygous continuation of the inferior vena cava, Kawashima procedure (KP), has been questioned. We document our ...
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Journal ArticleAnn Thorac Surg · July 2009
BACKGROUND: There is considerable literature on incidence and medical management of postsurgical chylothorax in children but little is known about outcomes of thoracic duct ligation (TDL) for patients refractory to medical therapy. METHODS: A retrospective ...
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